Posts tagged maths
Or: the Cummings-Johnson effect.
I thought it would be interesting to get an idea of how many people will die because Dominic Cummings thought it was fine to ignore the lockdown rules, and Boris Johnson agreed with him. So I wrote a program to explore this Cummings-Johnson effect.
The U combinator allows you to define recursive functions and I think it is simpler to understand than the Y combinator.
Why you can’t see the Apollo lunar landing sites from Earth.
Physicists seem still to be taught about tensors as being, essentially, multidimensional arrays with special transformation rules which must be learned by rote. So I wrote a document which tries to present a more useful approach.